OpenTechnical

OT-2026-000056731

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000056731) never changes.

Identity and time

Publication numberOT-2026-000056731 · never reused
Internal UUID01a0ae87-7af6-7185-954e-5b102c8dc862 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056731
StatusPUBLIC

Content hashes

Canonical textb24cb19f2264b4688fb52ea7af4e97becf1d8f3eee5ac63eaa192a89658ea129
Markdownb44febea77c51e6d2f81e50680760ff57f896ce4f95aa197ce44960ca2aee9b9
PDF
Publication page23e62f3c6b29174f5ff8426a143d40d25f3e06972f4ef0e1b515d07b00762405
Manifestc49b1850d1e5d315dfc7c4182c189a2eebb1621ff5cfed04bec357dec63031cf

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature2c1CfrACi/Y7XbxI0nigXZCyYlu4/TyuJaEI0YOTA1pqKF6ghEcJ78V8Xg9MwLe/K8qxwVMloJ15oWXgaEkZDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:10.054459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056731
observed 23e62f3c6b29174f5ff8426a143d40d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:10.036848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056731/manifest.json
observed c49b1850d1e5d315dfc7c4182c189a2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:10.016735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056731/publication.md
observed b44febea77c51e6d2f81e50680760ff5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:09.998903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056731/publication.txt
observed b24cb19f2264b4688fb52ea7af4e97be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.